# Copyright (c) 2011 Mark D. Hill and David A. Wood
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#
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# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
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# neither the name of the copyright holders nor the names of its
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from MemObject import MemObject
from ShaderTLB import ShaderTLB
from m5.defines import buildEnv
from m5.params import *
from m5.proxy import *

class CudaCore(MemObject):
    type = 'CudaCore'
    cxx_class = 'CudaCore'
    cxx_header = "gpu/gpgpu-sim/cuda_core.hh"

    inst_port = MasterPort("The instruction cache port for this SC")
    tex_port = MasterPort("The texture cache port for this SC")

    lsq_port = VectorMasterPort("the load/store queue coalescer ports")
    lsq_ctrl_port = MasterPort("The load/store queue control port")
    
    tex_lq_port = VectorMasterPort("texture load queue coalescer ports")
    tex_ctrl_port = MasterPort("texture load queue control port")

    const_lsq_port = VectorMasterPort("const load/store queue coalescer ports")
    const_ctrl_port = MasterPort("const load/store queue control port")

    z_lsq_port = VectorMasterPort("z load/store queue coalescer ports")
    z_ctrl_port = MasterPort("z load/store queue control port")

    vpo_write_port = MasterPort("VPO port for sending vertex attributes from lanes to memory")

    sys = Param.System(Parent.any, "system sc will run on")
    gpu = Param.CudaGPU(Parent.any, "The GPU this core is part of")

    itb = Param.ShaderTLB(ShaderTLB(), "Instruction TLB")
    ttb = Param.ShaderTLB(ShaderTLB(), "Texture TLB")

    id = Param.Int(-1, "ID of the SP")
    warp_contexts = Param.Int(48, "Number of warps possible per GPU core")

